print("集合")
list2=[]
print(type(list2))
tuple1=()
print(type(tuple1))
list1 = ["xiaoliu", "xlaioli", "xiaoli", 1, 3, 2, 4, 2, 5, 3]
gather1 = set()
print(type(gather1))
for i in list1:
    gather1.add(i)
    print(i)
print(gather1)
